CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 154.2	$ 72.4
Restricted cash	14.3	15.2
Accounts receivable	42.9	39.6
Current portion of derivative instruments asset (Notes 7 and 8)	1.6
Inventory	17.3	16.9
Prepayments	8.6	8.3
Other current assets	2.5	4.5
Total current assets	241.4	156.9
Property, plant, and equipment, net of accumulated depreciation of $268.8 million and $236.3 million at June 30, 2016 and December 31, 2015, respectively	768.1	777.7
Equity investments in unconsolidated affiliates (Note 4)	281.0	286.2
Power purchase agreements and intangible assets, net of accumulated amortization of $271.0 million and $238.0 million at June 30, 2016 and December 31, 2015, respectively	287.0	308.9
Goodwill	134.5	134.5
Derivative instruments asset (Notes 7 and 8)	1.1	0.3
Deferred income taxes, current	2.2
Other assets	6.0	6.7
Total assets	1,721.3	1,671.2
Current liabilities:
Accounts payable	6.4	6.9
Accrued interest	0.9	1.6
Other accrued liabilities	22.5	25.4
Current portion of long-term debt (Note 5)	96.4	15.8
Current portion of derivative instruments liability (Notes 7 and 8)	23.6	36.7
Other current liabilities	4.4	2.5
Total current liabilities	154.2	88.9
Long-term debt, net of unamortized discount and deferred financing costs (Note 5)	807.8	682.7
Convertible debentures, net of unamortized deferred financing costs (Note 6)	163.4	277.7
Derivative instruments liability (Notes 7 and 8)	28.5	20.8
Deferred income taxes	69.1	85.7
Power purchase and fuel supply agreement liabilities, net of accumulated amortization of $15.4 million and $14.0 million at June 30, 2016 and December 31, 2015, respectively	27.0	27.0
Other long-term liabilities	54.4	53.2
Total liabilities	1,304.4	1,236.0
Equity
Common shares, no par value, unlimited authorized shares; 122,083,528 and 122,153,082 issued and outstanding at March 31, 2016 and December 31, 2015	1,286.8	1,290.6
Accumulated other comprehensive loss (Note 2)	(120.2)	(139.3)
Retained deficit (Note 12)	(971.0)	(937.4)
Total Atlantic Power Corporation shareholders' equity	195.6	213.9
Preferred shares issued by a subsidiary company (Note 12)	221.3	221.3
Total equity	416.9	435.2
Total liabilities and equity	$ 1,721.3	$ 1,671.2